import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import '../plugins/element.js'
import '../assets/css/global.css'

Vue.use(VueRouter)

const routes = [{
    path: '/',
    redirect: '/login'
}, {
    path: '/login',
    component: Login
}, {
    path: '/home',
    component: Home
}]

const router = new VueRouter({
        routes,
        mode: 'history'
    })
    // 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to将要访问的路径
    // from代表从哪个路径而来
    // next是一个函数，代表放行   next()或next(url)
    if (to.path === "/login") return next();
    // 获取token
    const tokenStr = window.sessionStorage.getItem('token');
    if (!tokenStr) return next('/login')
    next()
})
export default router